Waste Water Engineering In normal conditions, the period for sludge digestion, is 20 days 30 days 60 days 10 days 20 days 30 days 60 days 10 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering With self cleansing velocity in sewers Silting occurs at bottom Both silting and scouring occur at bottom Scouring occurs at bottom Neither silting nor scouring occurs at bottom Silting occurs at bottom Both silting and scouring occur at bottom Scouring occurs at bottom Neither silting nor scouring occurs at bottom ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For non-scouring velocity 5 m/sec, the type of sewers generally preferred to, is Glazed bricks sewers Stone ware sewers Cement concrete sewers Cast iron sewers Glazed bricks sewers Stone ware sewers Cement concrete sewers Cast iron sewers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Flocculated particles do not change their Weight Shape None of these Size Weight Shape None of these Size ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In trickling filter, B.O.D. is reduced to 60 to 80% 40 to 60% 80 to 90% 30 to 40% 60 to 80% 40 to 60% 80 to 90% 30 to 40% ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For house drainage minimum gradient is 1 in 10 1 in 80 1 in 60 1 in 400 1 in 10 1 in 80 1 in 60 1 in 400 ANSWER DOWNLOAD EXAMIANS APP